<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	// private $user;
	// public $username;
	// public $password;
	public function authenticate()
	{
		$user = User::model()->findByAttributes(array('username' => $this->username));
		// print_r($this);
		
		// print_r($this->password);
		// die();
		if($user===null){
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		}
		// return 1: username incorrect
						// $this->addError('username', $this->errorMessage);
		else if($user->password!==md5($this->password) . md5('xachdo'))
			{
				$this->errorCode=self::ERROR_PASSWORD_INVALID;
			}
			// $this->addError('password', $this->errorMessage);
			//return 2 : password incorrect
		else
		{
			//$this->setState('user',$user);        
			Yii::app()->session['LOGGED_USER'] = $user;
			$this->errorCode=self::ERROR_NONE;
            return 12;
		}
		// print_r($this->errorCode);die();
		//return 0: login.
		return $this->errorCode;
	}
}